Finding the Fourth Proportional to 210,013.16, 289,816.99 and 114,517.80
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Solution
The fourth proportional to 210,013.16, 289,816.99 and 114,517.80 is: 158,033.93
Step by Step Solution
- Step 1: Write the proportion equation
210,013.16 : 289,816.99 = 114,517.80 : x - Step 2: Convert to fraction form
210,013.16/289,816.99 = 114,517.80/x - Step 3: Cross multiply
210,013.16x = 289,816.99 × 114,517.80 - Step 4: Simplify right side
210,013.16x = 33,189,203,811.13 - Step 5: Solve for x
x = 33,189,203,811.13/210,013.16 - Step 6: Final answer
x = 158,033.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.